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Year : 2015  |  Volume : 6  |  Issue : 3  |  Page : 164-167

Dermoscopic evaluation of idiopathic guttate hypomelanosis: A preliminary observation

Department of Dermatology, S. Nijalingappa Medical College, Bagalkot, Karnataka, India

Correspondence Address:
Dr. Balachandra S Ankad
Department of Dermatology, S. Nijalingappa Medical College, APMC, Navanagar, Bagalkot - 587 103, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2229-5178.156383

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Background: Depigmented skin lesions are of great concern in the society, especially in the Indian subcontinent. These comprise many infective and inflammatory conditions that cause apprehension and anxiety among patients due to the social stigma attached to these conditions. Idiopathic guttate hypomelanosis (IGH) appears similar to many depigmented lesions and differentiation of IGH from these conditions is difficult clinically as well as histopathologically. Methods: Clinically suspected IGH were included in the study. All IGH lesions were confirmed by histopathology. Clinical data and dermoscopic patterns were analyzed and presented in proportions and percentages. Results: Thirty patients were included in the study with 16 females and 14 males. Dermoscopy showed amoeboid, feathery, petaloid and nebuloid patterns in 12, 7, 6 and 1 patients respectively. Four patients had combination of these patterns. Conclusion: Dermoscopy of IGH revealed consistent patterns. Hence, we propose these patterns were specific to IGH and help clinician to differentiate many depigmented skin lesions from IGH in clinical practice. However, histopathology must be done for confirmation of diagnosis. Further studies on dermoscopy of IGH with histopathology correlation are proposed.

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